10 Marathon Routes That Are The Boeing 777-300ER's Longest In 2026

The Boeing 777 is hardly the newest or most capable long-range airliner in service today, but it remains a reliable workhorse for airlines worldwide. With over 2,000 examples delivered, the 777 is the most popular widebody program ever, and it's still a popular machine for long-haul and ultra-long-haul flights. The 777-300ER in particular stands out for its compelling operating costs and is the most ordered variant by far.